#!/bin/bash

#
# aborting if any command returns a non-zero value
set -e

#
# do not build plugins when passing "core" as first argument
if [ "$1" = "core" ];
then
    skip_plugins="true"
fi

#
# set git build variables if git exists
if git status 2> /dev/null && [ -z $GIT_COMMIT ] && [ -z $GIT_BRANCH ] && [ -z $GIT_TAG ];
then
    GIT_COMMIT=`git rev-parse --short HEAD`
    GIT_BRANCH=`git rev-parse --symbolic-full-name --abbrev-ref HEAD`
    GIT_TAG=`git tag --points-at $GIT_COMMIT | head -n 1`
fi

#
# load server dependencies
go get -v -t -d .

#
# build server
go build \
    -o bin/neko \
    -ldflags "
        -s -w
        -X 'github.com/demodesk/neko.buildDate=`date -u +'%Y-%m-%dT%H:%M:%SZ'`'
        -X 'github.com/demodesk/neko.gitCommit=${GIT_COMMIT}'
        -X 'github.com/demodesk/neko.gitBranch=${GIT_BRANCH}'
        -X 'github.com/demodesk/neko.gitTag=${GIT_TAG}'
    " \
    cmd/neko/main.go;

#
# ensure plugins folder exists
mkdir -p bin/plugins

#
# if plugins are ignored
if [ "$skip_plugins" = "true" ];
then
    echo "Not building plugins..."
    exit 0
fi

#
# if plugins directory does not exist
if [ ! -d "./plugins" ];
then
    echo "No plugins directory found, skipping..."
    exit 0
fi

#
# remove old plugins
rm -f bin/plugins/*

#
# build plugins
for plugPath in ./plugins/*; do
    if [ ! -d $plugPath ];
    then
        continue
    fi

    pushd $plugPath

    echo "Building plugin: $plugPath"

    if [ ! -f "go.plug.mod" ];
    then
        echo "go.plug.mod not found, skipping..."
        popd
        continue
    fi

    # build plugin
    go build -modfile=go.plug.mod -buildmode=plugin -buildvcs=false -o "../../bin/plugins/${plugPath##*/}.so"

    popd
done